Home / 200,425.25-276,586.78-109,786.85

Finding the Fourth Proportional to 200,425.25, 276,586.78 and 109,786.85

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Solution

The fourth proportional to 200,425.25, 276,586.78 and 109,786.85 is: 151,505.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,425.25 : 276,586.78 = 109,786.85 : x
  2. Step 2: Convert to fraction form
    200,425.25/276,586.78 = 109,786.85/x
  3. Step 3: Cross multiply
    200,425.25x = 276,586.78 × 109,786.85
  4. Step 4: Simplify right side
    200,425.25x = 30,365,591,470.38
  5. Step 5: Solve for x
    x = 30,365,591,470.38/200,425.25
  6. Step 6: Final answer
    x = 151,505.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.